Bryant 619CNF, 619CNQ installation instructions Vi. — Make Electrical Connections, Electrical Data

Models: 619CNQ 619CNF

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VI. STEP 6 — MAKE ELECTRICAL CONNECTIONS

VI. STEP 6 — MAKE ELECTRICAL CONNECTIONS

Be sure field wiring complies with local building codes and NEC, and unit voltage is within limits shown in Table 5.

Contact local power company for correction of improper line voltage.

Table 5 — Electrical Data* WARNING: To avoid personal injury or damage to unit, do not make electrical connections until all power sources are shut down, locked out, and tagged off. Failure to do so could result in personal injury or unit damage.

Manual background CAUTION: Operation of unit on improper line volt- age constitutes abuse and could affect warranty. Refer to Table 5 for permissible operating limits. Do not install unit in system where voltage may fluctuate above or below permissible limits.

NOTE: Use copper wire only between disconnect switch(es) and unit.

NOTE: Install branch circuit disconnect of adequate size to handle unit starting current per NEC. Locate disconnect within sight of, and readily accessible from, unit, per Section

440-14 of NEC. Some codes allow indoor unit to share discon- nect with outdoor unit if disconnect can be locked; check local code before installing in this manner.

1. Route ground and power wires.

Manual background WARNING: According to NEC and most local codes, the unit must have an uninterrupted, unbroken ground to minimize personal injury if an electric fault should occur. The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes. Failure to follow this warning could result in an electric shock, fire, or death.

2.Route line power leads (see Fig. 16) from indoor disconnect to the fan coil unit. Place wire through hole on the control box (Fig. 17). Connect wire to high voltage terminal board (TB1) and ground screw. When routing the wire in the unit, use care to keep the wire away from refrigerant and condensate piping and any sharp edges. The 208/230-v units are factory wired for 230-v to 24-v transformer operation. For 208-v to 24-v operation, interchange blue (208-v) and red (230-v) wires. Cap any unused wires with wire nuts.

Table 5 — Electrical Data*

SYSTEM

UNIT

FAN

 

HEATER

 

POWER

 

MIN WIRE SIZE

TYPE

SIZE

Motor 1 FLA

 

Motor 2 FLA

kW

FLA

MCA

MOCP

FLA

(AWG)

 

024†

0.5

 

0.53

15

0.50

14

COOLING

036

1.3

 

1.60

15

1.30

14

ONLY

048

1.1

 

0.5

2.00

15

1.60

14

 

060

1.3

 

1.3

3.30

15

2.60

14

 

024†

0.5

 

2.00

8.66

9.29

15

9.16

14

HEAT PUMP

036

1.3

 

3.00

13.00

17.70

20

14.30

14

048

1.0

 

0.5

4.00

17.40

23.80

25

19.00

12

 

 

 

060

1.3

 

1.3

5.00

21.70

28.70

30

24.30

10

 

LEGEND

AWG

American Wire Gage

FLA

Full Load Amps

MCA

Minimum Circuit Amps per NEC Section 430-24

MOCP

Maximum Overcurrent Protection

NEC

National Electrical Code

*All units are 208/230-1-60. Minimum operating voltage is 187, maxi- mum is 253. Units will operate satisfactorily within this voltage range.

†Electrical data is the same for both the 24,000 Btuh 024 unit and the 024 unit that has been field-reconfigured for 18,000 Btuh. Refer to Before Installation section on page 3 for reconfiguration details.

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Bryant 619CNF, 619CNQ installation instructions Vi. — Make Electrical Connections, Electrical Data